458861642 has 16 divisors (see below), whose sum is σ = 718490472. Its totient is φ = 219568320.

The previous prime is 458861639. The next prime is 458861653. The reversal of 458861642 is 246168854.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 449058481 + 9803161 = 21191^2 + 3131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 458861593 and 458861602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46313 + ... + 55340.

Almost surely, 2^458861642 is an apocalyptic number.

458861642 is a deficient number, since it is larger than the sum of its proper divisors (259628830).

458861642 is a wasteful number, since it uses less digits than its factorization.

458861642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101753.

The product of its digits is 368640, while the sum is 44.

The square root of 458861642 is about 21421.0560430619. The cubic root of 458861642 is about 771.3069623543.

The spelling of 458861642 in words is "four hundred fifty-eight million, eight hundred sixty-one thousand, six hundred forty-two".